Added PurgePLC() method to PLCObject, to be invoked when PLC Status is broken. It clears PLC shared object an extra files and force status to Empty. Added correponding Repair button to toolbar, visible only when PLC status is broken.
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<fileHeader companyName="Beremiz" productName="Beremiz" productVersion="1" creationDateTime="2012-09-12T23:30:19"/>
<contentHeader name="Wiimote example" modificationDateTime="2017-06-06T13:10:31">
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<ld>
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</contentHeader>
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<variable name="WiiNunchuckStickY">
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<variable name="WiiNunchuckAccZ">
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<comment localId="17" height="125" width="500">
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<content>
<xhtml:p><![CDATA[This example shows interaction of PLC program with Nintendo Wii Remote controller.
To work this example requires python-cwiid library to be installed.]]></xhtml:p>
</content>
</comment>
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<xhtml:p><![CDATA[]]></xhtml:p>
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<task name="tsk1" interval="T#1ms" priority="0">
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